Study of the extension of plant protection measures in agricultural production
632.9
I39S India.Planning Commission
Study of the extension of plant protection measures in agricultural production
-- India : Programme Evaluation Organisation , 1968
116777
50486 157p.:tab.
Pests-Experimentation
Plant diseases
Weed control
I39S India.Planning Commission
Study of the extension of plant protection measures in agricultural production
-- India : Programme Evaluation Organisation , 1968
116777
50486 157p.:tab.
Pests-Experimentation
Plant diseases
Weed control